package com.yan.demo02;

public class UserServiceProxy implements UserService{
    private UserServiceImpl userService;

    public void setUserService(UserServiceImpl userService) {
        this.userService = userService;
    }

    @Override
    public void add() {
        log("add");
        userService.add();

    }

    @Override
    public void delete() {
        log("delete");

        userService.delete();

    }

    @Override
    public void update() {
        log("update");

        userService.update();

    }

    @Override
    public void select() {
        log("select");

        userService.select();

    }
    //日志方法
    public void log(String msg){
        System.out.println("使用了"+msg+"" +"的方法");
    }


}
